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Hypertension develops early, silently, in African-American men
Date:11/16/2008

rteries, which are associated with high blood pressure. When the heart beats, blood flows through stiff arteries at greater speed and pressure. Elastic arteries provide a smoother blood flow and help prevent damage to organs receiving the blood and place less stress on the heart.
  • Less change in diameter of the arteries when the heart beats, another measure of vascular stiffness. A healthy artery is more elastic will change in size as the blood flows through with each beat of the heart.

    "Although having a similar cardiovascular risk factor profile as young white men, diffuse macrovascular and microvascular dysfunction is present at a young age in apparently healthy African American men," the authors wrote. "Values seen are comparable to values often reported in older individuals or individuals with more advanced hypertensive disease," they said.

    These results do not shed light on why this happens to young and fit African-American men, Heffernan said. There may be environmental differences, such as differences in diet, which were not examined as part of this study, he said.


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  • Contact: Christine Guilfoy
    cguilfoy@the-aps.org
    301-634-7253
    American Physiological Society
    Source:Eurekalert

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